Note 14 - Earnings Per Share - Basic and Diluted Net Income (Loss) Per Share Attributable to Common Stockholders (Details) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended						9 Months Ended
		Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021
Net income		$ 107,904	$ 77,561	$ (16,510)	$ 8,047	$ 5,743	$ 4,744	$ 168,955	$ 18,534
Participating basic earnings (a)	[1]	(10,282)			(1,193)			(16,718)	(1,669)
Basic earnings attributable to common stockholders		97,622			6,854			152,237	16,865
Reallocation of participating earnings		176			392			300	1
Diluted net income attributable to common stockholders		$ 97,798			$ 7,246			$ 152,537	$ 16,866
Basic weighted average shares outstanding (in shares)		108,681			92,676			102,614	92,648
Dilutive warrants and unvested stock options (in shares)		4,315			2			4,408	67
Dilutive unvested restricted stock (in shares)		2,122			0			2,122	0
Diluted weighted average shares outstanding (in shares)		115,118			92,678			109,144	92,715

[1] Certain unvested restricted stock awarded to outside directors represent participating securities because they participate in nonforfeitable dividends with the common equity holders of the Company. Vested stock options represent participating securities because they participate in dividend equivalents with the common equity holders of the Company. Participating earnings represent the distributed and undistributed earnings of the Company attributable to the participating securities. Certain unvested restricted stock awarded to outside directors, employee members of the board of directors and certain employees do not represent participating securities because, while they participate in dividends with the common equity holders of the Company, the dividends associated with such unvested restricted stock are forfeitable in connection with the forfeitability of the underlying restricted stock. Unvested stock options do not represent participating securities because, while they participate in dividend equivalents with the common equity holders of the Company, the dividend equivalents associated with unvested stock options are forfeitable in connection with the forfeitability of the underlying stock options.